Live

Karabe Ozone (O₃) Level

Narita, Chiba, Japan

Ozone (O₃)

28ppb

Good

Last Updated: 2026-06-04 06:41:01 (Local Time)

Map

Karabe

Good

050

Moderate

100

Poor

168

Unhealthy

208

Severe

748

Hazardous

1250+

What is the Current O₃ Level?
Karabe

The current O₃ level at Karabe is 28 ppb making it healthy and safe for everyone in the area.

1.8xBelow

The current O₃ level in Karabe is 1.8x Below the recommended WHO guideline of 50.96 ppb.

AQI Graph

Historic Air Quality Graph of Ozone (O₃)
Karabe

24 Hours

O₃

Karabe

O₃ (ppb)

03-06-2026Time04-06-2026

Time	Karabe
7:01am	31
7:31am	31
8:01am	31
8:31am	28
9:01am	30
9:31am	34
10:01am	35
10:31am	33
11:01am	32
11:31am	36
12:01pm	34
12:31pm	36
1:01pm	39
1:31pm	38
2:01pm	32
2:31pm	35
3:01pm	38
3:31pm	36
4:01pm	37
4:31pm	38
5:01pm	38
5:31pm	37
6:01pm	41
6:31pm	36
7:01pm	39
7:31pm	38
8:01pm	36
8:31pm	34
9:01pm	35
9:31pm	34
10:01pm	34
10:31pm	34
11:01pm	33
11:31pm	39
12:01am	43
12:31am	45
1:01am	44
1:31am	48
2:01am	45
2:31am	48
3:01am	46
3:31am	40
4:01am	44
4:31am	40
5:01am	33
5:31am	31
6:01am	30
6:31am	29

Min. O₃8:31am

Max. O₃1:31am

Want air quality data?

Do you know that Ozone's total mass is 3 billion metric tons in the atmosphere? It looks like a lot but has only 0.00006% of the atmosphere. Besides, Ozone's peak concentration is 32 kilometres above the Earth's surface.

Uncovering the Sources of Ozone (O₃): Where Does It Come From?

Refineries

Industrial processes emit substances.

Power plants

Emissions from burning fossil fuels.

Paints evaporations

Vocs from paints react with sunlight.

Transportation

Diesel operated vehicles reacts and form ozone.

Short-Term O₃ Exposure Impacts

Chest pain

Discomfort or pain in the chest due to respiratory stress.

Breathing shortness

Difficulty in breathing or feeling of breathlessness.

Respiratory irritation

Inflammation and irritation of the respiratory tract.

Wheezing and coughing

Whistling sound and persistent cough.

Trigger asthma attacks

Aggravation of asthma symptoms.

Why you should care about Ozone (O₃)?

Know More About O₃ Sensor

Air Quality FAQs
at Karabe

Frequently Asked Questions About Air Quality

What is the current O₃ level in Karabe?

The current real-time O₃ level in Karabe is 28ppb (Good). This was last updated 2026-06-04 06:41:01 (Local Time).

When was the best O₃ level in Karabe in the last 24 hours?

The best O₃ level was 28 ppb (Good) at 8:31 AM (Local Time) during the last 24 hours.

When was the worst O₃ level in Karabe in the last 24 hours?

The worst O₃ level was 48 ppb (Good) at 1:31 AM, Jun 4, 2026 (Local Time) during the last 24 hours.

What is the current trend of O₃ levels in Karabe during last 24 hours?

The O₃ levels in Karabe have been fluctuating throughout the last 24 hours. The levels have increased by highest 48 ppb at 1:31 AM, Jun 4, 2026 (Local Time), lowest 28 ppb at 8:31 AM (Local Time).

What actions are recommended as per the current O₃ level in Karabe?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.